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http://dx.doi.org/10.5322/JES.2007.16.11.1247

A Study of Optimal Mixture Fraction of Soil Bio-Filter for Removing NOX  

Cho, Ki-Chul (Department of Environmental Life Science, Dongnam Health college)
Lee, Nae-Hyun (Strategy Engineering Co., Ltd.)
Publication Information
Journal of Environmental Science International / v.16, no.11, 2007 , pp. 1247-1255 More about this Journal
Abstract
Soil biofiltration is an environmentally-sound technology for elimination of VOCs, odorous and $NO_X$ compounds from a low concentration, high volume waste gas streams because of its simplicity and cost-effectiveness. This study investigated the optimal mixture fraction of briquet ash, compost, soil and loess for $NO_X$ degradation. Extreme vertices design was used to examine the role of four components on $NO_X$ degradation. Under our experimental conditions, 74.5% of $NO_X$ degradation was observed, using a model mixture(25% briquet ash, 10% compost, 30% soil and 40% loess) containing 100 ppb of NO. It was shown that experimental design analysis could allow selecting optimal conditions in such biodegradation processes in this study.
Keywords
Soil biofilter; Extreme vertices design; Briquet ash; Compost; Loess;
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